2004453 has 32 divisors (see below), whose sum is σ = 3438720. Its totient is φ = 1140480.

The previous prime is 2004433. The next prime is 2004461. The reversal of 2004453 is 3544002.

It is a happy number.

It is not a de Polignac number, because 2004453 - 2⁵ = 2004421 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4851 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (107460).

2^2004453 is an apocalyptic number.

It is an amenable number.

2004453 is a deficient number, since it is larger than the sum of its proper divisors (1434267).

2004453 is a wasteful number, since it uses less digits than its factorization.

2004453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2004453 is about 1415.7870602601. The cubic root of 2004453 is about 126.0855428179.

Adding to 2004453 its reverse (3544002), we get a palindrome (5548455).

The spelling of 2004453 in words is "two million, four thousand, four hundred fifty-three".